Main features
Headphone Style	In-Ear	-
Acoustic Design	Closed-Back	-
Connection Type	Wireless	-
Wireless Headphone Style	Wireless (Wired connection between earpieces, wireless to source)	-

Connections

Connections
Audio and Conversation Controls	Yes	-
Bluetooth Support	Yes
Available Bluetooth Version		-
NFC Support	No	No
Hi-Res Capability	No	-
Memory Card Support	No	-
GPS Support	-	No

Technical features

Technical features
Driver Diameter	5.8 millimeter (mm)	-
Impedance	14 ohm (Ω)	-
Active Noise Cancelling (ANC) Capability	No	-

Microphone features

Microphone features
Internal Microphone	Yes	-
Microphone Noise Cancelling Capability	No	-

Power supply and battery life

Power supply and battery life
Battery Technology	Lithium Polymer	-
Charging Method	Via Micro USB port	-

Additional features and options

Additional features and options
LED Status Indicator	Yes	-

Aesthetic features

Aesthetic features
Product Weight	209 gram (g)	Unspecified
Size and Dimensions	-	Unspecified / Not specified

Time and method of release

Time and method of release
Introduction Time	-	2020, April
Availability Status	-	Available. Released April 3, 2020

General specifications

General specifications
Equivalent Name	-	Mi Band 4C (Introduced for the European market) ** Redmi Band (Introduced for the Chinese market)

Body material and design

Body material and design
Other Body Features	-	Water resistant up to 50 meters deep

Display

Operating system or software platform

Operating system or software platform
OS Version	-	Compatible with Android 4.4 and iOS 9 and later

Battery capacity and performance

Battery capacity and performance
Battery Standby Time	-

Capabilities

Capabilities
Smart Sensors	-	3-axis accelerometer, Optical heart rate measurement sensor, Pedometer, 3-axis altimeter
Messaging Method	-	Received notification announcement / Display received messages and emails
Other Features and Capabilities	-	Pedometer / Distance traveled measurement / Heart rate measurement / Calories burned calculation / Sleep monitoring